Remove lazy-static in favor of once_cell

mongodb · Jul 13, 2024 · 9012e04 · 9012e04
1 parent c8659a3
commit 9012e04
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Showing 3 changed files with 17 additions and 12 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/constants/Cargo.toml b/constants/Cargo.toml
@@ -10,7 +10,7 @@ authors = [
 edition = "2021"
 
 [dependencies]
-lazy_static = "1.4.0"
 cargo_toml = "0.15.2"
 anyhow = "*"
 serde_json = "1.0.64"
+once_cell = "1.19.0"
diff --git a/constants/src/lib.rs b/constants/src/lib.rs
@@ -1,27 +1,32 @@
-use lazy_static::lazy_static;
+use once_cell::sync::Lazy;
 
 pub const VENDOR_IDENTIFIER: &str = "MongoDB";
 pub const DRIVER_NAME: &str = "MongoDB Atlas SQL ODBC Driver";
 pub const DBMS_NAME: &str = "MongoDB Atlas";
 pub const ODBC_VERSION: &str = "03.80";
 pub const DRIVER_SHORT_NAME: &str = "mongodb-odbc";
 
-lazy_static! {
-    pub static ref DRIVER_METRICS_VERSION: String = format!(
+pub static DRIVER_METRICS_VERSION: Lazy<String> = Lazy::new(|| {
+    format!(
         "{}.{}.{}",
         env!("CARGO_PKG_VERSION_MAJOR"),
         env!("CARGO_PKG_VERSION_MINOR"),
         env!("CARGO_PKG_VERSION_PATCH")
-    );
-    pub static ref DRIVER_LOG_VERSION: String = format!(
+    )
+});
+
+pub static DRIVER_LOG_VERSION: Lazy<String> = Lazy::new(|| {
+    format!(
         "{}.{}",
         env!("CARGO_PKG_VERSION_MAJOR"),
         env!("CARGO_PKG_VERSION_MINOR")
-    );
-    pub static ref DEFAULT_APP_NAME: String =
-        format!("{}+{}", DRIVER_SHORT_NAME, DRIVER_METRICS_VERSION.as_str());
-    pub static ref DRIVER_ODBC_VERSION: String = format_driver_version();
-}
+    )
+});
+
+pub static DEFAULT_APP_NAME: Lazy<String> =
+    Lazy::new(|| format!("{}+{}", DRIVER_SHORT_NAME, DRIVER_METRICS_VERSION.as_str()));
+
+pub static DRIVER_ODBC_VERSION: Lazy<String> = Lazy::new(|| format_driver_version());
 
 // The default max string length if a user enables max string length.
 // Typically, the Atlas SQL ODBC driver does not specify a max string